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authorThomas Klein <osstklei@de.ibm.com>2007-01-22 12:53:50 +0100
committerJeff Garzik <jeff@garzik.org>2007-01-23 00:59:20 -0500
commit4e996b32e0585756c335b35980dc68852c33f297 (patch)
tree0f6227b3102e0de5f6108364356f6698613b7fe9
parente919b5938b11e1d48a6dcdcb2860e890a954f10d (diff)
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ehea: New method to determine number of available ports
Count OFDT nodes to determine the number of available ports instead of using the possibly outdated value from the hypervisor Signed-off-by: Thomas Klein <tklein@de.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
-rw-r--r--drivers/net/ehea/ehea_main.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index d84d0950b65..9486e0a8ec8 100644
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -2269,6 +2269,8 @@ static void ehea_tx_watchdog(struct net_device *dev)
int ehea_sense_adapter_attr(struct ehea_adapter *adapter)
{
struct hcp_query_ehea *cb;
+ struct device_node *lhea_dn = NULL;
+ struct device_node *eth_dn = NULL;
u64 hret;
int ret;
@@ -2285,7 +2287,18 @@ int ehea_sense_adapter_attr(struct ehea_adapter *adapter)
goto out_herr;
}
- adapter->num_ports = cb->num_ports;
+ /* Determine the number of available logical ports
+ * by counting the child nodes of the lhea OFDT entry
+ */
+ adapter->num_ports = 0;
+ lhea_dn = of_find_node_by_name(lhea_dn, "lhea");
+ do {
+ eth_dn = of_get_next_child(lhea_dn, eth_dn);
+ if (eth_dn)
+ adapter->num_ports++;
+ } while ( eth_dn );
+ of_node_put(lhea_dn);
+
adapter->max_mc_mac = cb->max_mc_mac - 1;
ret = 0;